"Bostik Aquaprufe Damp-Proofer & Waterproofer is a solvent free rubber enriched bitumen emulsion for use both internally and externally on floors and walls. It can be applied to damp surfaces and there is no need for a separate primer. The waterproofer must be over coated with plaster or flooring screed. Can be applied to damp surfaces. No need for a separate primer. For use on wood, plaster and cement. Suitable for interior and exterior use."
Bostik Bituminous Mastic for Roofs is a multi-purpose trowel grade bituminous material for waterproofing, stopping, bedding, pointing and sealing. With added fibres for reinforcement. Forms a surface skin, but the mass below remains soft to allow for moderate movement. Perfect for sealing and filling holes in mastic asphalt, roofing felt, corrugated iron, metal guttering and downpipes. Suitable for use for waterproofing, bedding, pointing, sealing and stopping. It can be applied to mastic asphalt, roofing felt, corrugated iron, cast iron, fibre cement, slates, lead, copper, zinc, concrete and timber.